[PATCHv2 1/6] diff.h: Make pickaxe_opts an unsigned bit field

[Stefan Beller <sbeller@google.com>]

This variable is used as a bit field[1], and as we are about to add more
fields, indicate its usage as a bit field by making it unsigned.

[1] containing the bits

    #define DIFF_PICKAXE_ALL	1
    #define DIFF_PICKAXE_REGEX	2
    #define DIFF_PICKAXE_KIND_S	4
    #define DIFF_PICKAXE_KIND_G	8

Signed-off-by: Stefan Beller <sbeller@google.com>
---
 diff.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff.h b/diff.h
index 0fb18dd735..ea310f76fd 100644
--- a/diff.h
+++ b/diff.h
@@ -146,7 +146,7 @@ struct diff_options {
 	int skip_stat_unmatch;
 	int line_termination;
 	int output_format;
-	int pickaxe_opts;
+	unsigned pickaxe_opts;
 	int rename_score;
 	int rename_limit;
 	int needed_rename_limit;
-- 
2.16.0.rc0.223.g4a4ac83678-goog